President Donald Trump waves to reporters as he walks on the South Lawn upon his arrival to the White House. (Photo: AP) US President Donald Trump has dismissed Iran’s response to a US proposal aimed at ending the ongoing conflict in the Gulf, calling it “totally unacceptable” and signalling continued deadlock in negotiations. Posting on Truth Social, Trump said he had reviewed the message conveyed by Tehran’s representatives but was unimpressed. “I don’t like it,” he wrote, without elaborating on the specifics of the response. (Photo: @realDonaldTrump) Talks stall amid continued clashes Efforts to broker peace between Washington and Iran have slowed in recent weeks, even as both sides continue military exchanges in the Persian Gulf. The tensions persist more than a month after a temporary ceasefire was announced, which had aimed to reopen the strategically vital Strait of Hormuz. Iran has continued to restrict shipping through the strait a key global oil transit route exacerbating uncertainty in energy markets. US pushes for shipping access, nuclear curbs US officials say the core demands remain unchanged, …